Source: China – South China Morning PostA retired couple in China who tested positive for Covid-19 while touring the country’s north have sparked a race to track infections across multiple provinces and regions, becoming the latest example of the challenges for Beijing as it seeks to maintain a zero-Covid policy.Within three days of an announcement that the couple had tested positive in Xian on Saturday, hundreds of close contacts of the couple and their five travel companions, who later tested positive, had been identified. In that…Read More